/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
pub mod evaluation_context;

use std::error::Error;

use crate::expression::evaluation_context::EvaluationContext;

pub trait Expression {
    /// Calculate expression result with context
    ///
    /// # Arguments
    ///
    /// * `context` - Context of evaluation
    ///
    /// # Returns
    ///
    /// The value of this expression
    fn evaluate(
        &self,
        context: &dyn EvaluationContext,
    ) -> Result<
        Box<dyn std::any::Any + Send + Sync + 'static>,
        Box<dyn Error + Send + Sync + 'static>,
    >;
}
